arista-evpn-vxlan-clab/infrahub/schemas/extensions.yml

# Extensions Schema for EVPN-VXLAN Fabric
# Custom attributes and fabric-specific configurations
---
version: "1.0"
nodes:
  # ================================================================
  # Fabric (Top-level container for all fabric objects)
  # ================================================================
  - name: Fabric
    namespace: Infra
    description: EVPN-VXLAN Fabric definition
    label: Fabric
    icon: mdi--vector-polygon
    include_in_menu: false
    human_friendly_id:
      - name__value
    order_by:
      - name__value
    display_label: "{{ name__value }}"
    attributes:
      - name: name
        kind: Text
        unique: true
        description: Fabric name (e.g., arista-evpn-fabric)
      - name: description
        kind: Text
        optional: true
      - name: underlay_protocol
        kind: Dropdown
        default_value: ebgp
        choices:
          - name: ebgp
            label: eBGP
          - name: ospf
            label: OSPF
          - name: isis
            label: IS-IS
      - name: overlay_protocol
        kind: Dropdown
        default_value: evpn
        choices:
          - name: evpn
            label: EVPN
          - name: ingress_replication
            label: Ingress Replication
      - name: anycast_gateway_mac
        kind: Text
        optional: true
        description: "Shared MAC for anycast gateway (format: xxxx.xxxx.xxxx)"
      - name: spine_count
        kind: Number
        optional: true
        description: "Number of spines (2-4)"
      - name: leaf_pair_count
        kind: Number
        optional: true
        description: "Number of MLAG leaf pairs"
      - name: mtu
        kind: Number
        default_value: 9214
    relationships:
      - name: spine_asn
        peer: InfraAutonomousSystem
        cardinality: one
        optional: true
        description: AS used by spine layer
      - name: sites
        peer: LocationSite
        identifier: fabric__sites
        cardinality: many
        optional: true
      - name: spine_model
        peer: InfraDeviceModel
        cardinality: one
        optional: true
        description: Hardware model used for spines
      - name: leaf_model
        peer: InfraDeviceModel
        cardinality: one
        optional: true
        description: Hardware model used for leafs
      - name: devices
        peer: InfraDevice
        identifier: fabric__devices
        cardinality: many
        kind: Generic
        description: Devices in this fabric

  # ================================================================
  # Underlay P2P Link
  # ================================================================
  - name: UnderlayLink
    namespace: Infra
    description: Point-to-point underlay link between devices
    label: Underlay Link
    icon: mdi--cable-data
    include_in_menu: false
    uniqueness_constraints:
      - ["local_identifier__value"]
    human_friendly_id:
      - local_identifier__value
    display_label: "{{ description__value }}"
    attributes:
      - name: local_identifier
        kind: Text
        description: "Unique identifier combining local and remote device/interface (e.g. spine1-eth1__leaf1-eth11)"
      - name: description
        kind: Text
        description: Link description (e.g., spine1:eth1 <-> leaf1:eth11)
      - name: mtu
        kind: Number
        default_value: 9214
    relationships:
      - name: fabric
        peer: InfraFabric
        cardinality: one
        kind: Parent
        optional: false
      - name: local_device
        peer: InfraDevice
        identifier: underlay_link_local_device
        cardinality: one
        direction: outbound
      - name: local_interface
        peer: InfraInterfaceEthernet
        identifier: underlay_link_local_interface
        cardinality: one
        direction: outbound
      - name: local_ip_address
        peer: InfraIPAddress
        identifier: underlay_link_local_ip
        cardinality: one
        direction: outbound
      - name: remote_device
        peer: InfraDevice
        identifier: underlay_link_remote_device
        cardinality: one
        direction: outbound
      - name: remote_interface
        peer: InfraInterfaceEthernet
        identifier: underlay_link_remote_interface
        cardinality: one
        direction: outbound
      - name: remote_ip_address
        peer: InfraIPAddress
        identifier: underlay_link_remote_ip
        cardinality: one
        direction: outbound

  # ================================================================
  # Host Connection
  # ================================================================
  - name: HostConnection
    namespace: Infra
    description: Host connection to fabric (single or dual-homed)
    label: Host Connection
    icon: mdi--desktop-tower
    include_in_menu: false
    human_friendly_id:
      - hostname__value
    display_label: "{{ hostname__value }}"
    attributes:
      - name: hostname
        kind: Text
        description: Connected host name
      - name: description
        kind: Text
        optional: true
      - name: connection_type
        kind: Dropdown
        default_value: dual_homed
        choices:
          - name: single_homed
            label: Single-Homed
          - name: dual_homed
            label: Dual-Homed (MLAG)
      - name: lacp_mode
        kind: Dropdown
        default_value: active
        choices:
          - name: active
            label: Active
          - name: passive
            label: Passive
    relationships:
      - name: vlans
        peer: InfraVLAN
        cardinality: many
        description: VLANs allowed on this connection
      - name: mlag_interface
        peer: InfraMlagInterface
        cardinality: one
        optional: true
        description: MLAG interface for dual-homed
      - name: lag_interface
        peer: InfraInterfaceLag
        cardinality: one
        optional: true
        description: LAG for single-homed